KENNESAW, Ga., Jan. 10 67.27 miles per gallon. Incredible
mileage in a car, but an outboard-powered boat? It's true, Guinness World
Records made it official in December, adding the Yamaha F4 four-stroke
outboard to its list of world record holders.
Guinness issued a World Record certificate for "The greatest distance
covered by a boat powered by an outboard motor on one gallon (Imperial) of
fuel, is a world record 108.262 km (67.27 miles) by a trimaran-style skiff
powered by a Yamaha F4 engine."
The lightweight F4 was paired with a trimaran-style skiff, weighing about
48 lbs. built from a carbon fiber/fiberglass composite. The teen-aged crew of
three experienced sailors established the record July 1, 1999, reaching
108.262 km in 10 hours and 19 minutes, equating to 67.27 statute miles or
58.45 nautical miles. The record run took place over a circular 1.7 km course
at the Orakei Basin, a land-locked saltwater basin located in Auckland, New
Zealand's city center.
To establish the record and have it recognized by Guinness, the team had
to burn one imperial (UK) gallon (4.546 liters) of fuel around a circular
course. The circular course meant that the effect of the wind was canceled, a
requirement by Guinness.
The number of kilometers traveled was tracked by a Trimble Differential
GPS, noted for its accuracy to less than one meter. The onboard GPS sent data
to the shore-based tracking station via radio where two computers tracked the
run.
The crew ran the boat at a speed of around 10 kph. Because of the length
of time the record would take, three drivers were used: Andrew Fenwick, 17,
his brother, Sam, 15, and Shaun Sutherland, 15, each taking turns of about
2.5 hours at the helm. The trio are experienced sailors with Sam Fenwick
being the current New Zealand P Class national sailing champion.
With daylight fading around 5:30 p.m., the 100 km mark was finally
reached. But the little Yamaha wasn't finished -- an hour later it was still
going with 106.3 km reached as the sun dipped below the horizon.
Yamaha's four-stroke outboards are well regarded for their fuel economy,
durability and quiet operation. In fact, the Yamaha four-strokes have met the
U.S. EPA low-emission guidelines six years early.
It was at this point that the engine, which had run without skipping a
beat all day, briefly stuttered, but quickly came back to life. At 6:42 p.m.
with more than 10 hours of continuous operation, the single gallon of fuel
finally ran out. After 64 laps, 108.262 km had been reached and a World
Record powered by a
Greg Fenwick, General Manager of the Marine Division at Moeller Yamaha
Ltd., said he came up with the idea for the record attempt as a way to
publicize Yamaha's fuel efficiency.
We'd say that's one promotion for the record books.
Yamaha manufactures four-stroke outboard motors from 4 to 115 hp and
two-stroke outboards from 2 to 250 hp. For more information on Yamaha
Outboards.